Kansas oversize permits are valid for seven days. The DOT permit is normally obtained prior to entering the state. Permits can also be obtained at Ports of Entry. (You need proof of insurance in the vehicle if you buy permits at a POE).
Travel is allowed a one-half hour before sunrise to one-half hour after sunset, 7 days a week and holidays. Overweight-only with legal dimensions is allowed night travel, provided a permit is obtained to authorize it. There are NO holiday or weekend restrictions.
Width up to 12 is allowed to travel without an escort, during daylight hours. Over 14′ wide is limited to Monday through Thursday travel from 8:30 a.m.-4:30 p.m. Maximums allowed on turnpike is 14′ in height, 16’ wide or 125′ long. Loads over 14′ high require special approval from a Turnpike Highway Patrol Officer. Maximum weights: 20,000 single, 34,000 tandem, 42,000 triple, 50,000 quad. Maximum gross weight 120,000.
The vehicle must have the following characteristics:
- Width: 8’6″
- Height: 14′
- Length: 59’6″ trailer, 85′ overall for tractor-trailer combination provided the trailer is not over 59’6” long
- Overhang: 3′ front, 4′ rear
- Weight: 80,000 Gross on Interstate and designated routes; 85,500 on other roads (must be registered for 85,500 and have legal axle weights); Single – 20,000; Tandem – 34,000; Tridem – 42,000
Routine Kansas Oversize Permit Limits
- Width: 16’6″
- Height: 18′ (Depends on clearances. Over 17′ high requires notification of all appropriate utilities before making the move).
- Length: 126′ (poles, pipes, or structural items are allowed up to 140′)
- Weight: Single – 22,000; Tandem – 45,000; Tridem – 60,000; Quad – 65,000
To permit for overweight, your tractor needs to be registered for 85,500, or pay extra for a trip permit.
Note: When overweight on any axle group, all axles must be down. Loads exceeding these dimensions or over 150,000 pounds GVW is considered as a Super Load.
Loads in excess of 80,000 GVW, the unit must be registered for 85,500.
- Width: Over 16’6″ or when transporting large structures on 4-lane highways – 2 escort pilot cars;
- Height: Over 18′ – 1 escort pilot car with a height pole. Over 17′ high requires notification of all appropriate utilities before making the move.
- Length: over 126’ – front and rear escort pilot cars.
Over 14′ on highways less than 4 lanes – 2 escort pilot cars, or “The rear escort may be eliminated if a warning light is attached to the top of the towing vehicle and to the rear of the load and is mounted no less than two feet or more than eight feet above the surface of the road, except for superloads and large structures, they require 2 escort pilot cars.”
Poles, beams, steel pipes and construction steel loads may be up to 85′ long overall (vehicle and load) without a permit as long as the trailer does not exceed 59’6″ (daylight travel only), and if other dimensions are legal. Blades, buckets, counterweights, etc. must be removed. If overweight it must be hauled on a separate truck.
Oversize Load” signs are required for all loads moving under a permit. Red flags must be attached to each side of widest part of the wide load, and to the rear of all over length loads. If overhang is over legal limits, end of the overhanging object must be flagged and “a lamp shall be placed at the end of the load to make the overhang more visible during periods of hazy daylight.”